package top.shen33.yang.base;


import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Arrays;

@Aspect
//@Component
public class WebLogAspect {

    private org.slf4j.Logger logger=LoggerFactory.getLogger(WebLogAspect.class);

    @Pointcut("execution(public * top.shen33.yang.controller..*.*(..))")
    public void webLog(){}

    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 接收到请求，记录请求内容
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        // 记录下请求内容
        logger.info("URL : " + request.getRequestURL().toString());
        logger.info("HTTP_METHOD : " + request.getMethod());
        logger.info("IP : " + request.getRemoteAddr());
        logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());
        logger.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));

        Method method = ((MethodSignature) joinPoint.getSignature()).getMethod();
        //joinPoint.getTarget().getClass().getMethod(joinPoint)
        Annotation[][] parameterAnnotations = method.getParameterAnnotations();
        for (Annotation[] anno : parameterAnnotations) {
            for (Annotation annotation : anno) {
                System.out.println(annotation);
            }
        }

        Object[] args = joinPoint.getArgs();
        for (Object arg : args) {
            Annotation[] annotations = arg.getClass().getAnnotations();
            for (Annotation annotation : annotations) {
                System.out.println(annotation);
            }
        }

    }

    @AfterReturning(returning = "ret", pointcut = "webLog()")
    public void doAfterReturning(Object ret) throws Throwable {
        // 处理完请求，返回内容
        logger.info("RESPONSE : " + ret);
    }
}
